This versatile ink pen is an RF and UV Detection Device. The pen automatically detects wireless signals and alerts you with a red flashing light at the tip of the pen; according to signal strength, the flashing will be more frequent. Push the button on the side of the pen to illuminate the UV light and check for counterfeit currency by detecting the water mark. You'll never have to worry about turning the pen on to detect a signal; it is always on and detecting for you.

Why this Multi-Purpose Pen?

Functions as a pen, RF detector, and counterfeit currency checker

Cell phone interference protection helps prevent false positives

Battery life of up to a month

Automatic detection -- you don't have to turn the pen on and off

Make sure there aren't any listening devices in your midst

Identify counterfeit currency

Automatic RF detection

Detects a radius of 1-10 meters and can precisely detect wireless signals of